1475561 has 2 divisors, whose sum is σ = 1475562. Its totient is φ = 1475560.

The previous prime is 1475527. The next prime is 1475563. The reversal of 1475561 is 1655741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 118336 = 1165^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1475561 - 2¹⁴ = 1459177 is a prime.

Together with 1475563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1475563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737780 + 737781.

It is an arithmetic number, because the mean of its divisors is an integer number (737781).

2^1475561 is an apocalyptic number.

It is an amenable number.

1475561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475561 is an equidigital number, since it uses as much as digits as its factorization.

1475561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 1475561 is about 1214.7267182375. The cubic root of 1475561 is about 113.8463354893.

The spelling of 1475561 in words is "one million, four hundred seventy-five thousand, five hundred sixty-one".